- Systemic hypertension that is not well controlled (i.e. blood pressure at the time of screening greater than or equal to140/90 mmHg) in adults < 60 years old or greater than or equal to 150/90 mmHg in adults 60 years or older) on medications. Subjects taking > 2 anti-hypertensive medications will be excluded irrespective of their current blood pressure at time of screening